[GTALUG] AMD releases 3100 and 3300x

[Dave Collier-Brown]

On 2020-05-09 3:17 p.m., D. Hugh Redelmeier via talk wrote:

> | From: William Park via talk <talk at gtalug.org>
> |
> | On Sat, May 09, 2020 at 08:00:33AM -0400, Dave Collier-Brown via talk wrote:
> | > I suspect the new low-cost chip is a simplified version of one of the
> | > four processor cores, and might cost about 1/5 of what the server
> | > chips cost to make.
> |
> | Or rather, ones that failed QA. :-)
>
> Why simplified?  Why Failed?
>
> Each Zen 2 package is made from a group of "chiplets".  Each processor
> chiplet (CCX) has 4 cores, with each providing 2 SMT units:  4c 8t in
> current notation.  AMD uses a 7nm TSMC process to make them.
>
> Then they have a chiplet or several to do I/O.  Density doesn't matter
> as much here so they are made using something like a 14nm process.
>
> So: a low-end Zen 2 package has fewer chiplets.  It probably has a
> lower clock speed.

That's what I was thinking of when I said "simplified".

--dave

--
David Collier-Brown,         | Always do right. This will gratify
System Programmer and Author | some people and astonish the rest
dave.collier-brown at indexexchange.com |              -- Mark Twain


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